Finding the Fourth Proportional to 19,404,213.40, 29,106,320.10 and 13,357,595.80
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Solution
The fourth proportional to 19,404,213.40, 29,106,320.10 and 13,357,595.80 is: 20,036,393.70
Step by Step Solution
- Step 1: Write the proportion equation
19,404,213.40 : 29,106,320.10 = 13,357,595.80 : x - Step 2: Convert to fraction form
19,404,213.40/29,106,320.10 = 13,357,595.80/x - Step 3: Cross multiply
19,404,213.40x = 29,106,320.10 × 13,357,595.80 - Step 4: Simplify right side
19,404,213.40x = 388,790,459,121,215.62 - Step 5: Solve for x
x = 388,790,459,121,215.62/19,404,213.40 - Step 6: Final answer
x = 20,036,393.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.